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CrowdScience

Can a machine read my mind?

CrowdScience

BBC

Science

4.81K Ratings

🗓️ 15 November 2019

⏱️ 44 minutes

🧾️ Download transcript

Summary

For decades science fiction has been imagining the incredible ways that machines might interact directly with our minds, from enabling telepathic communication to controlling robotic suits, solely using the power of thought. Getting computers to interface directly with the human brain has proven extremely challenging, but rapidly advancing computer technology is changing the landscape. CrowdScience listener Daniel wonders if we might finally be on the cusp of enabling machines to meld with our minds. To find out, presenter Alex Lathbridge goes in search of the latest efforts to connect brains to computers. He learns how researchers are combining brain scans with machine learning and gets to test whether an fMRI machine can decode his emotions. He then meets someone with a brain implant but discovers there are many hurdles to overcome before these become mainstream in clinical practice – for example, how can scientists develop implants that won’t damage the brain? With tech companies like Facebook and Elon Musk’s Neuralink starting to invest in this sector, many experts believe it is only a matter of time before thoughts are ‘readable’. Whilst currently this technology is focussed on helping people with serious medical conditions, other potential applications for it are raising ethical considerations. Could it be possible to read someone's mind against their will? Might this be used in warfare? Listener Daniel wonders how far this technology might go, leading Alex to ask an ethicist what mind-reading technology might do to society.

Presented by Alex Lathbridge Produced by Melanie Brown

(Photo: Telepathic people symbols are connected, mind reading as 3D illustration. Credit; Getty Images)

Transcript

Click on a timestamp to play from that location

0:00.0

Take some time for yourself with soothing classical music from the mindful mix, the Science of

0:07.0

Happiness Podcast.

0:08.0

For the last 20 years I've dedicated my career to exploring the science of living a happier more meaningful life and I want

0:14.4

to share that science with you.

0:16.1

And just one thing, deep calm with Michael Mosley.

0:19.4

I want to help you tap in to your hidden relaxation response system and open the door to that

0:25.4

calmer place within. Listen on BBC Sounds.

0:30.3

I think that the best apple is probably a brownie apple because it's quite

0:38.6

really like you think the same things again and again and again and again and

0:41.3

again I spend a lot of time thinking about like fruit.

0:44.8

I wonder if I could read like blue dogs exist. They might exist, blue whales exist, or white whales exist.

0:49.6

Oh my God, the sound that for this is high enough. I wonder if Mel can do anything with this. I wonder

0:53.7

if he's going to get it. Like how much data is in my brain. I'm Alex Laffbridge and you're listening

1:00.1

to crowd science from the BBC World Service. What you just heard there was my

1:04.1

noisy brain. Luckily, only I can normally hear it, but this week's listener wonders

1:09.6

if this will always be the case. My name is Daniel.

1:13.4

I live in London.

1:14.6

I'm originally from Germany.

1:16.4

My question is whether we can make machines read our thoughts.

1:20.8

So why are you interested in this? It was about a decade ago that there was an article about a monkey being connected to a robotic arm that the monkey could control through her thoughts, which I thought actually sci-fied astonishing.

1:38.0

And then it got quiet and in recent times I have seen a flurry of activity on this whole subject of neural interfaces and

1:47.0

you know modern technology, brain implants and I'm sort of being fascinated but also scared by it and I wonder how far is this technology come what can we do with it?

...

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